1. Naturally occurring amino acid residues in proteins are in which form? 2. The
ID: 812194 • Letter: 1
Question
1. Naturally occurring amino acid residues in proteins are in which form?
2. The Pka values of alpha carobxyl groups of common amino acids are around__________; the pKa values of the alpha amino groups of common amino acids are around___________.
3. Which amino acid takes on a negative charge when the R-group looses a proton? A) Glutamic Acid B) Histidine C) Glutaime D) Tyrosine E) Glutamic Acid & Tyrosine
4. Peptides and proteins have orientation and are always go from the ________ terminal to __________ terminal.
5. ___________ refers to the spatial arrangement of subunits and the nature of the their interactions
Explanation / Answer
1) alpha
2) 2 and 9
3) D ( not sure)
4) N to C
5)Isomerism
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